Hewlett-packard Development Company, L.p.

Félix Ruiz

Lluis Hierro

Jordi Ferran

Roger Bastardas

Laura Portela

In one embodiment, a device for use with a first carriage carrying a printhead and a sensor includes a track. The track is positioned adjacent to a path, the path being followed by the first carriage. A second carriage is movable along the track and carries a target. The second carriage is movable between a first position, in which the target is away from the sensor, and a second position, in which the target is adjacent to the sensor and a reference included in the target is a known distance away from the sensor.

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Sant Cugat del Valles Barcelona, Spain

Félix Ruiz